Knot tying tool



FIG. 1 is a front right side perspective view of a knot tying tool;

FIG. 2 is a left side elevational view of the knot tying tool;

FIG. 3 is a right side elevational view of the knot tying tool;

FIG. 4 is a front elevational view of the knot tying tool;

FIG. 5 is a rear elevational view of the knot tying tool;

FIG. 6 is a top plan view of the knot tying tool; and,

FIG. 7 is a bottom plan view of the knot tying tool. 

The ornamental design for a knot tying tool, as shown and described. 